Armed officers, the police helicopter and the dog unit descended on a residential street yesterday after receiving reports of a person brandishing a gun.
Police were called to Haig Avenue in Leyland just after 3pm on Tuesday after people were seen in the street carrying weapons.
Officers say that while work is ongoing to establish exactly what the weapons were it is believed one was a gun.
A 37-year-old woman from Leyland was later arrested on suspicion of possessing a firearm with intent. She remains in custody.
A spokesperson for the police said on Tuesday night: “You may be aware of police activity in Leyland yesterday afternoon and we just wanted to tell you what happened and what we are doing about it.
“We were called at 3.06pm to a report of people being seen in Haig Avenue carrying weapons. Although work is ongoing to establish exactly what these weapons were, it was reported that one was a firearm.
“Armed officers, the police helicopter and police dogs attended the area and carried out a comprehensive search.
“Following a number of enquiries, a 37-year-old woman from Leyland has been arrested on suspicion of possessing a firearm with intent. She remains in custody at this time.”
The incident is being treated as an isolated incident between parties known to each other and there is not thought to be a wider threat to the public.
Police have since spoken to who they believe were the intended targets to ensure they are safe.
DI Sean Cloherty, of South CID, said: “We take all reports of this nature extremely seriously and we have a dedicated team of officers assigned to this case.
“Incidents of this nature are very rare in South Ribble and I want to stress that this is being treated as an isolated incident between parties who we believe are known to each other.
“You may see an increased police presence in the area while we investigate this incident. Please do speak to our officers if you have any information which could assist our enquiries.”
Anyone with information is asked to email email@example.com or call 101, quoting log 752 of September 26.